This shoelace is made of flexible silicone, which can replace common nylon laces. It won't get dirty and clean. One set including 16 pieces of shoelaces, which have different sizes, from 1.6inch to 2.8inch. There are many color options for choosing. This newest colorful and creative design makes shoelaces fashionable. If you replace common shoelaces with silicone ones, it will be more convenient when you are wearing shoe. Customized logos can be imprinted.